What Kind of Plastic Are Car Bumpers Made Of?
1 Answers
Car bumpers are made of polyester-based and polypropylene-based plastics. A bumper consists of an outer panel, cushioning material, and a crossbeam. The outer panel and cushioning material are made of plastic, while the crossbeam is formed by stamping cold-rolled thin sheets into a U-shaped channel. The outer panel and cushioning material are attached to the crossbeam, which is then connected to the frame longitudinal beams with screws. Car bumpers are located at the front and rear of the vehicle and serve the following purposes: 1. To absorb and mitigate external impact forces during collisions, providing cushioning to protect both the vehicle and its occupants; 2. To harmonize with the vehicle's overall design, offering aesthetic appeal.